A helicopter flew over the Potomac River in Washington County on Thursday, spraying a bacterial insecticide in an effort to treat the water for rampant black-fly populations in the area.
vbonk@herald-mail.com (Valerie Bonk), The Herald-Mail
Thu, 09/14/2017 - 3:30pm
A helicopter flew over the Potomac River in Washington County on Thursday, spraying a bacterial insecticide in an effort to treat the water for rampant black-fly populations in the area.